Study Stars study guide Flash Cards

 
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Stars study guide

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factor that incluences the life cycle of a star
how much mass they are born with
massive star life cycle
prostar- blue giant- red super giant- super nova- neutron (little mass) or black hole (lots of mass)
small and medium life cycles
prostar- red dwarf or main sequance- core collapses- red giant - white dwarf- black dwarf
spectral classes and their correstponding colors
O- Blue
B- Blue
A- White
F- white
G- yellow
K- orange
M- red
be bonkers worry woss your opinion relizes
2 factors that influence the size of a star
mass and gas pressure
3 factures that influence apparent magnitude
1. temperature, the hotter the brighter
2. size, the larger the brighter
3. distance away, the closer the brighter
gas pressure
forse that pushes the star out (the hotter the star- the more gas pressure)
mass
the amount of marerial in the star
apparent magnitude
how bright a star seems to be
absolute magnitude
how bright a star really is
spectral classes of stars
OBAFGKM
characteristics
stars are made of 96-99 percent hydrogen and helium

2. hydrogen = 60-80% next most abundant gass = helium

3. 4% oxygen,neon, carbon, nitrogen
nuclear fusion
process when hydrogen atoms are fused together to form helium and release alot of energy
star
bright hot sphear of gas
polaris
north star
name the 5 circumpolar constellations
ursa major- ursa minor- draco- cassipoeia- cepheus
circumpolar constellations
5 constellations that don't ride and set
constellations
groups of starts that form pictures in the sky
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